Check manual page of mysql_sessions

MySQL: Sessions
Distribution	official part of Check_MK
License	GPLv2
Supported Agents	Linux

This check allows tracking of the session parameters for a MySQL database. It reports how many sessions there are in total, how many of them are active, and at what rate new sessions are generated.

It allows to set WARN and CRIT tresholds on any of these parameters.

The data is gathered from the show global status query.

Item

The name of the instance

Discovery

One service is created for each instance for each session connected to the MySQL daemon.